Finding the Fourth Proportional to 2,191,072.48, 3,023,836.49 and 1,210,990.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,072.48 : 3,023,836.49 = 1,210,990.43 : x
2. Step 2: Convert to fraction form
   2,191,072.48/3,023,836.49 = 1,210,990.43/x
3. Step 3: Cross multiply
   2,191,072.48x = 3,023,836.49 × 1,210,990.43
4. Step 4: Simplify right side
   2,191,072.48x = 3,661,837,061,861.86
5. Step 5: Solve for x
   x = 3,661,837,061,861.86/2,191,072.48
6. Step 6: Final answer
   x = 1,671,253.28